Night of the Girondists

Out of self-preservation, a Dutch Jew from a Portugese background chooses to become a guard at camp Westerbork, and as such he has to select the people who will be sent to Auschwitz on the weekly transport.
The book is a description of the internal struggle that accompanies his impossible position.

Trivia:

Also published as 'Breaking Point'.
Originally published as ‘boekenweekgeschenk’ 1957.